#!/bin/bash
echo "Hello World !"

#读取文件行
for line in `cat text`
do
	if [[ "${line}" =~ "test.*" ]] 
		then 
			echo $line
		fi 
done

a=40
b=50
if [ $a > $b ]
	then echo "a > b"
elif [ $a < $b ] 
	then echo "a < b"
else 
	echo "a = b"
fi

